Page 109 of 291

Instruments and controls1079 for several seconds. The ignition
must be switched on but engine not
running.
The system must be reset every time
the engine oil is changed to allow
proper functionality. Seek the
assistance of a workshop.
Next service When the system has calculated that
engine oil life has been diminished,
Change Engine Oil Soon appears in
the Driver Information Centre. Have
engine oil and filter changed by a
workshop within one week or
300 miles (whichever occurs first).
Service information 3 260.
Control indicators
The control indicators described are
not present in all vehicles. The
description applies to all instrument
versions. Depending on the
equipment, the position of the control indicators may vary. When the
ignition is switched on, most control
indicators will illuminate briefly as a functionality test.The control indicator colours mean:red:danger, important reminderyellow:warning, information, faultgreen:confirmation of activationblue:confirmation of activationwhite:confirmation of activation
See all control indicators on different
instrument clusters 3 100.
Turn signal
O illuminates or flashes green.
Illuminates briefly The parking lights are switched on.
Flashes
A turn signal or the hazard warning
flashers are activated.
Rapid flashing: failure of a turn signal
light or associated fuse, failure of turn
signal light on trailer.
Bulb replacement 3 219, Fuses
3 230.
Turn signals 3 138.
Seat belt reminder
Seat belt reminder on front seats
X for driver's seat illuminates or
flashes red in the instrument cluster.
k for front passenger seat illuminates
or flashes red in the roof console,
when seat is occupied.
Illuminates
After the ignition has been switched on until the seat belt has been
fastened.
Flashes
After having started the engine for a
maximum of 100 seconds until the
seat belt has been fastened.
Page 114 of 291

112Instruments and controlsBleeding the diesel fuel system
3 218.
Immobiliser d flashes yellow.
Fault in the immobiliser system. The
engine cannot be started.
Exterior light 8 illuminates green.
The exterior lights are on 3 132.
High beam
C illuminates blue.
Illuminated when high beam is on or
during headlight flash 3 133.
High beam assist f illuminates green.
The high beam assist is activated,
see LED headlights 3 134.
LED headlights f illuminates or flashes yellow.Illuminates
Fault in the system.
Seek the assistance of a workshop.
Flashes
System is switched to symmetrical
low beam.
Control indicator f flashes for approx.
four seconds after the ignition is switched on as a reminder for
symmetrical headlight 3 134.
Fog light
> illuminates green.
The front fog lights are on 3 138.
Rear fog light ø illuminates yellow.
The rear fog light is on 3 139.
Cruise control
m illuminates white or green.
Illuminates white The system is on.Illuminates green
Cruise control is active. Set speed is
indicated in the Driver Information
Centre.
Cruise control 3 178.
Vehicle detected ahead
A illuminates green or yellow.
Illuminates green
A vehicle ahead is detected in the
same lane.
Illuminates yellow The distance to a preceding moving
vehicle gets too small or when
approaching another vehicle too
rapidly.
Forward collision alert 3 181.
Speed limiter
L illuminates white or green.
Illuminates white The system is on.
Page 138 of 291

136Lightingconditions. The latest setting of the
high beam assist will remain after the ignition is switched on again.
High beam assist includes a special
motorway mode. When driving faster
than 71 mph on motorways, the light
beam becomes smaller to avoid
glaring of oncoming traffic. When
following vehicles ahead or passing, mirror glaring for these vehicles is
reduced.
ActivationIndicator lever with or without MENU
button
Activate high beam assist by pushing the indicator lever twice. High beam isswitched on automatically at a speed
above 31 mph. High beam is switched
off at a speed below 22 mph, but high
beam assist remains active.
Indicator lever with f button
Activate high beam assist by pressing
f once. High beam is switched on
automatically at a speed above
31 mph . High beam is switched off at
a speed below 22 mph, but high beam
assist remains active.
The green control indicator f
illuminates continuously when the
high beam assist is activated, the blue
one 7 illuminates when high beam is
on.
Control indicator f 3 112, 7
3 112.
Page 145 of 291

Climate control143Climate controlClimate control systems.............143
Heating and ventilation system 143
Air conditioning system ...........144
Electronic climate control system .................................... 146
Auxiliary heater ........................151
Air vents ..................................... 151
Adjustable air vents .................151
Fixed air vents ......................... 151
Maintenance .............................. 152
Air intake ................................. 152
Pollen filter ............................... 152
Air conditioning regular
operation ................................ 152
Service .................................... 152Climate control systems
Heating and ventilation system
Controls for: ● temperature
● air distribution l, M and K
● fan speed Z
● demisting and defrosting V
Heated rear window Ü 3 42.
Temperature
red:warmblue:coldHeating will not be fully effective until
the engine has reached normal
operating temperature.
Air distributionl:to windscreen and front door
windowsM:to head area via adjustable air
ventsK:to foot well and windscreen
All combinations are possible.
Fan speed
Adjust the air flow by switching the fan to the desired speed.